Instructions are in game. The secret level instructions are also in the game. At the secret level, you can also collect chaos emeralds when they appear, to activate the superform by pressing the S key, as long as you collect 7 rings in the game and all 7 emeralds without leaving any behind. The super form only lasts until the rings reach 0. You will win the level when you defeat all enemies. The "BOSS MUSIC" button is used to change the music of the boss fight from the secret level to other different versions, such as Sonic Generations, Sonic Mania and 8 Bits. Following is an update log: Version 1.3 (10th September, 2015) - Sonic can enter rolling a tad earlier and ends rolling a tad later Version 1.2 (6th September, 2015) - Spindash added - Improved ground collision to detect very thin platforms - Improved launching jump collision - Fixed low speed horizontal rotation animation bug - Fixed static animation bug Version 1.1 (5th September, 2015) - Slightly extended level map to test more extreme inclines - Fixed jumping animation bug - Faded, resetting start screen Version 1.0 (31st August, 2015) - Project released